Gas Insulated Switchgear (GIS) Testing
- Evaluate SF6 gas quality: check moisture PPM, percentage, and dew point.
- Detect SF6 gas leakage.
- Assess DS/ES/CB mechanical and electrical function and operation.
- Perform contact resistance, DCRM, and circuit breaker tests.
- Conduct AC high-voltage testing.
- Measure the partial discharge.
SF6 Gas Management and Measurement Solutions
Reliable and efficient power systems depend heavily on the proper management of SF6 gas. Recognized for its outstanding dielectric and arc-quenching capabilities, SF6 (Sulfur Hexafluoride) is a critical component in high-voltage electrical systems such as switchgear, circuit breakers, and transformers. However, because SF6 is a potent greenhouse gas, careful handling and precise measurement are vital to ensure both operational integrity and environmental safety. This article explores the significance of SF6 gas management, its key applications, and the essential services and measurement techniques that maintain its effectiveness.
SF6, or Sulfur Hexafluoride, is a colorless, odorless, and non-flammable gas that provides exceptional insulation and arc suppression. Due to these properties, it is widely used in:
- High-voltage circuit breakers
- Gas-insulated switchgear (GIS)
- Power transformers
Despite its benefits, SF6 has a high global warming potential. Therefore, proper gas recovery, recycling, and leak prevention are essential to minimize environmental impact.
Why SF6 Gas Management Matters
Effective SF6 gas handling provides multiple benefits:
- Enhanced System Efficiency: Maintaining optimal gas pressure and purity ensures reliable equipment operation.
- Environmental Protection: Preventing gas leakage reduces greenhouse emissions.
- Safety Assurance: Proper handling safeguards workers and nearby systems.
- Extended Equipment Life: Routine inspection and gas quality testing help prevent premature equipment wear.
Core SF6 Gas Handling Services
- Gas Filling and Top-Up
Accurate filling ensures stable insulation performance and minimal gas loss during refilling operations. - Gas Recovery and Reclamation
Used SF6 is extracted, purified, and reused—reducing both waste and environmental risk. - Leak Detection and Rectification
Advanced methods such as infrared imaging and ultrasonic detection help identify and seal gas leaks efficiently. - On-Site Gas Testing and Analysis
Regular testing checks moisture levels, decomposition products, and gas purity to verify compliance with IEC and CIGRÉ standards.
SF6 Gas Measurement Techniques
Monitoring the condition of SF6 gas is crucial for maintaining high-voltage equipment. Key measurements include:
- Gas Purity Analysis – Determines the concentration of SF6 to ensure adequate insulation performance.
- Moisture Measurement – Detects water content to prevent corrosion and insulation failure.
- Dew Point Detection – Ensures the gas remains dry and suitable for long-term operation.
- Density Monitoring – Provides real-time tracking of gas levels for safe and reliable equipment performance.
Advantages of Professional SF6 Gas Handling
Partnering with certified service providers offers clear benefits:
- Regulatory Compliance with environmental norms and utility standards.
- Improved Reliability through accurate measurement and maintenance.
- Reduced Operating Costs via gas recycling and loss prevention.
- Enhanced Safety for field engineers and surrounding systems
Environmental Responsibility
Given SF6’s high global warming potential—around 23,500 times that of CO₂—environmental management is essential. Responsible practices include:
- Using closed-loop recovery systems.
- Conducting periodic leak surveys.
- Recycling and reusing recovered gas.
- Following strict environmental protocols.
Sustainable SF6 management not only protects the environment but also aligns with modern ESG (Environmental, Social, and Governance) commitments in the energy sector.
Applications of SF6 Gas Services
- Power Generation Plants – Ensures safe operation of high-voltage assets.
- Transmission and Distribution Utilities – Maintains reliability of substations and GIS systems.
- Industrial Facilities – Provides insulation safety for critical electrical systems in heavy industries.
Why Choose Expert SF6 Gas Service Providers
Professional SF6 service teams bring:
- Advanced diagnostic and recovery equipment.
- Skilled and certified technicians.
- Adherence to global safety and environmental guidelines.
- Customized maintenance plans for various electrical installations.
Summary
- SF6 gas management and measurement are key to the safe, efficient, and eco-friendly operation of power systems.
- Routine testing—such as purity, dew point, and density analysis—ensures consistent equipment performance.
- Expert service providers deliver reliable, regulation-compliant, and sustainable solutions.
By investing in professional SF6 handling services, organizations can protect both their electrical infrastructure and the environment.
DILO Cart & SF6 Analyser Kits – Rental Services
At NKA Technologies Pvt Ltd, we offer reliable DILO SF6 Gas Handling Cart and SF6 Gas Analyser Kit rental services to support testing, maintenance, and commissioning activities in the power sector. Our rental solutions are designed to help clients manage SF6 gas efficiently without the need for costly equipment investments.
DILO Gas Handling Cart Rental
Our DILO carts are ideal for:
- Filling, recovery, and evacuation of SF6 gas in switchgear and GIS systems.
- Purification and transfer of SF6 gas between containers and equipment.
- Ensuring leak-free, safe, and efficient gas handling operations.
All units are regularly calibrated and maintained to ensure top performance and compliance with safety standards.
SF6 Gas Analyser Kit Rental
We provide portable SF6 gas analyser kits for on-site gas testing, capable of measuring:
- Purity and concentration of SF6 gas
- Moisture (dew point) levels
- Decomposition by-products
Our analysers deliver fast, accurate, and reliable results—helping you assess equipment health and maintain insulation quality.
Why Choose Our Rental Services
- Ready-to-use, fully calibrated DILO equipment
- Flexible rental duration (daily, weekly, or monthly)
- Technical support and guidance from experienced engineers
- Cost-effective alternative to equipment purchase
- Nationwide delivery and pickup options
Whether for short-term testing or large-scale GIS commissioning, our DILO carts and analyser kits ensure smooth, safe, and compliant SF6 gas management.
Annual Maintenance of Substation
Offering annual maintenance contract (AMC) packages for AIS/GIS substations and MV/LV panels, covering 11kV to 765kV. Our commitment is to provide upgraded and top-tier services that meet power and industrial sector demands. We extend our services for partial discharge measurement on cables, MV panels, transformers, and AIS/GIS substations, ensuring reliability and fault detection in both energised and unenergised conditions at your premises.
Partial Discharge (PD) Testing
- Partial discharge signals potential issues with electrical assets. Regular testing detects abnormalities early, preventing potential problems from escalating.
- IEC 60270 defines partial discharge (PD) as a localised electrical discharge that partially bridges insulation between conductors, near or adjacent.
- Partial discharge (PD) testing doesn’t require downtime. It offers valuable insights, enabling effective detection of weak insulation points.
- PD measurement reveals sensitive information, aiding in the efficient detection of localised weak points in the insulation system.
Operation & Maintenance Of Substation
Entrust the operation and maintenance of your substation to us, where expertise meets excellence. Our comprehensive services cover AIS/GIS substations and MV/LV panels, ranging from 11 kV to 765 kV.With a constant commitment to upgrade and meet the evolving demands of the power and industrial sectors, we excel at ensuring the reliability, safety, and fault-free performance of your substation. Experience top-notch service that guarantees the optimal functioning of your critical electrical infrastructure.
Condition Assessment for High Voltage Electrical Equipment
Perform sophisticated condition assessments on high-voltage power cables, power transformers, GIS (gas-insulated switchgear), switchgear, and electrical equipment, ensuring the safety and quality of electrical circuits.
Testing And Commissioning Of Substation And Processing Plants
Elevate your electrical infrastructure with our expert testing and commissioning services for substations and processing plants. From comprehensive GIS testing to transformer precision assessments, our team ensures efficient processes, quality focus, and innovative solutions. With a commitment to reliability and compliance, we rigorously validate switchgear and switchyard efficiency. Partner with us for cutting-edge solutions that redefine industry standards and ensure the seamless operation of your substations and processing plants.
Power Cable Testing
Empower your electrical systems with our specialised power cable testing services. We ensure the durability, insulation integrity, and seamless power transmission of high-tension cables. Our testing covers a broad spectrum, including GIS, transformers, switchgear, and switchyards. With a focus on efficiency and safety, our precision assessments guarantee optimal performance, longevity, and reliability. Partner with us for cutting-edge solutions that set new standards in power cable testing and enhance the resilience of your electrical infrastructure.
Diagnostic Testing For Running Electrical Assets As Effciently And Safely
Optimise the efficiency and safety of your electrical assets with our advanced diagnostic testing services. From partial discharge measurement to assessing transformers and switchgear, our experts conduct rigorous evaluations. We specialise in running assessments in energised and unenergised conditions, ensuring reliable performance and fault detection. Partner with us for innovative solutions that enhance the operational excellence of your electrical assets, setting new benchmarks for efficiency and safety in diverse industrial sectors.
Thermography
Unlock the power of thermography with our cutting-edge services. From AIS/GIS substations to MV/LV panels, our experts employ advanced techniques for condition assessments. By ensuring precise temperature measurements, we identify potential issues in high-voltage power cables, transformers, and electrical equipment. Our thermography services play a vital role in maintaining the safety and reliability of your electrical circuits. Choose us for innovative solutions that enhance the thermal efficiency and performance of your critical assets.